REACTION CENTERS IN PHOTOSYNTHESIS 393 



REFERENCES 



1. Emerson, R., and Arnold, W., The photochemical reaction in photosynthesis. 

 J. Gen. Physiol., 16, 191-205 (1932). 



2. Gaffron, H., and Wohl, K., Zur Theorie der Assimilation. Naturiviss., 24, 

 81-90 (1936). 



3. van Nicl, C. B., Photosynthesis of Bacteria. Cold Spring Harbor Synip. 

 Quant. Biol., 3, 138-150 (1935). 



4. Emerson, R., Chalmers, R. V., and Cederstrand, C, Some factors influ- 

 encing the long-wave limit of photosynthesis. Proc. Natl. Acad. Sci. U.S., 

 43, 133-143 (1957). 



5. Duysens, L. N. M., Amesz, J., and Kamp, B. M., Two photochemical sys- 

 tems in photosynthesis. Nature, 190, 510-511 (1961). 



6. Kok, B., and Hoch, G., Spectral changes in photosynthesis. In Light and 

 Life, W. D. McElroy and B. Glass, eds., The Johns Hopkins Press, Balti- 

 more, 1961, pp. 397-416. 



7. Witt, H. T., Muller,A., and Rumberg,B., Oxidized cytochrome and chloro- 

 phyll 02"^ in photosynthesis. Nature, 192, 967-969 (1961). 



8. Losada, M., Whatley, F. R., and Arnon, D. I., Separation of two light re- 

 actions innoncyclicphotophosphorylationof green plants. Nature, 190, 606- 

 610 (1961). 



9. Kautsky, H., Appel,W.,and Amann, H., Chlorophyllfluoreszenz und Kohlen- 

 saureassimillation. XIII. Die Fluoreszenzkurve und die Photochemie der 

 Pflanze. Biochem. Z., 332, 277-292 (1960). 



10. Bishop, N. I., and Gaffron, H. Photoreduction at X 705 m/i in adapted algae. 

 Biochem. Biophys. Res. Conunun., 8, 471-476 (1962). 



11. Gaffron, H., On dating stages in photochemical evolution. In Horizons in 

 Biochemistry, M. Kasha and B. Pullman, eds., Academic Press, Inc., New 

 York, 1962, pp. 59-89. 



12. Arnold, W., Quoted by C. B. van Niel in: The bacterial photosyntheses and 

 their importance for the general problem of photosynthesis. In Advances 

 in Enzymology, Vol. i, Interscience Publishers, Inc., New York, 1941, pp. 

 263-328. 



13. Vishniac, W.,and Ochoa, S., Photochemical reduction of pyridine nucleotides 

 bv spinach grana and coupled carbon dioxide fixation. Nature, 167, 768-769 

 (1951). 



14. Duysens, L. N. M., Role of cytochrome and pyridine nucleotide in algal 

 photosynthesis. Science, 121, 210-211 (1955). 



15. Arnon, D. I., Allen, M. B., and Whatley, F. R., Photosynthesis by isolated 

 chloroplasts. Nature, 174, 394 (1954). 



16. Kok, B., Partial purification and determination of oxidation reduction po- 

 tential of the photosynthetic chlorophyll complex absorbing at 700 m.pL. 

 Biochim. Biophys. Acta, 48, 527-533 (1961). 



17. Kok, B., and Gott, W., Activation spectra of 700 m^ absorption change in 

 photosynthesis. Plant Physiol., 35, 802-808 (1960). 



18. Kok, B., Light induced absorption changes in photosynthetic organisms. 2. 

 A split beam difference spectrophotometer. Plaiit Physiol., 34, 184-192 

 (1959). 



19. Hill.R., and Bonner, W. D., Jr., The nature and possible function of chloro- 

 plast cytochromes. In LigJit and Life, W. D. McElroy and B. Glass, eds., 

 The Johns Hopkins Press, Baltimore, 1961, pp. 424-435. 



20. Butler, W. L., A far-red absorbing form of chlorophyll, in vivo. Arch. 

 Biochem. Biophys., 93, 413-422 (1960). 



